Heater and Air Conditioning Control Vacuum Pump Replacement

Heater and Air Conditioning Control Vacuum Pump Replacement

Removal Procedure

1. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement Service and Repair for the 4.3L engine, or Air Cleaner Assembly Replacement Service and Repair for the 4.8L, 5.3L, 6.0L, 6.2L and 7.0L engine, or Air Cleaner Assembly Replacement Service and Repair for the 6.6L engine.

2. Disconnect the vacuum pump electrical connector.





3. Disconnect the vacuum hose from the vacuum pump.

4. Remove the vacuum pump retaining bolts.

5. Remove the vacuum pump from the vehicle.

Installation Procedure





1. Install the vacuum pump to the vehicle.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Install the vacuum pump retaining bolts and tighten to 3 Nm (27 lb in).

3. Connect the vacuum hose to the vacuum pump.

4. Connect the vacuum pump electrical connector.

5. Install the air cleaner. Refer to Air Cleaner Assembly Replacement Service and Repair for the 4.3L engine, or Air Cleaner Assembly Replacement Service and Repair for the 4.8L, 5.3L, 6.0L, 6.2L and 7.0L engine, or Air Cleaner Assembly Replacement Service and Repair for the 6.6L engine.